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Glenn L McGrath58a40852001-01-02 23:49:26 +00001/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU Library General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15 */
16
Glenn L McGrath58a40852001-01-02 23:49:26 +000017#include <stdlib.h>
Glenn L McGrath33431eb2001-04-16 04:52:19 +000018#include <string.h>
Glenn L McGrathd22e5602001-04-11 02:12:08 +000019#include <getopt.h>
Glenn L McGrath58a40852001-01-02 23:49:26 +000020#include "busybox.h"
21
Glenn L McGrathbc9afad2001-02-11 03:32:41 +000022extern int dpkg_deb_main(int argc, char **argv)
23{
Glenn L McGrath9aff9032001-06-13 07:26:39 +000024 char *prefix = NULL;
25 char *filename = NULL;
Glenn L McGrath33431eb2001-04-16 04:52:19 +000026 char *output_buffer = NULL;
Glenn L McGrathbc9afad2001-02-11 03:32:41 +000027 int opt = 0;
Glenn L McGrath9aff9032001-06-13 07:26:39 +000028 int arg_type = 0;
Glenn L McGrath2e6d3cf2001-06-24 12:36:54 +000029 int deb_extract_funct = extract_create_leading_dirs | extract_unconditional;
Glenn L McGrath58a40852001-01-02 23:49:26 +000030
Glenn L McGrath9aff9032001-06-13 07:26:39 +000031 const int arg_type_prefix = 1;
32 const int arg_type_field = 2;
33 const int arg_type_filename = 4;
34// const int arg_type_un_ar_gz = 8;
35
Glenn L McGrath445fb952001-04-13 04:02:57 +000036 while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
Glenn L McGrath58a40852001-01-02 23:49:26 +000037 switch (opt) {
38 case 'c':
Glenn L McGrath9aff9032001-06-13 07:26:39 +000039 deb_extract_funct |= extract_data_tar_gz;
40 deb_extract_funct |= extract_verbose_list;
Glenn L McGrath58a40852001-01-02 23:49:26 +000041 break;
42 case 'e':
Glenn L McGrath9aff9032001-06-13 07:26:39 +000043 arg_type = arg_type_prefix;
44 deb_extract_funct |= extract_control_tar_gz;
45 deb_extract_funct |= extract_all_to_fs;
Glenn L McGrath58a40852001-01-02 23:49:26 +000046 break;
Glenn L McGrath445fb952001-04-13 04:02:57 +000047 case 'f':
Glenn L McGrath9aff9032001-06-13 07:26:39 +000048 arg_type = arg_type_field;
49 deb_extract_funct |= extract_control_tar_gz;
50 deb_extract_funct |= extract_one_to_buffer;
51 filename = xstrdup("./control");
Glenn L McGrath445fb952001-04-13 04:02:57 +000052 break;
Glenn L McGrath9aff9032001-06-13 07:26:39 +000053 case 't': /* --fsys-tarfile, i just made up this short name */
54 /* Integrate the functionality needed with some code from ar.c */
55 error_msg_and_die("Option disabled");
56// arg_type = arg_type_un_ar_gz;
Glenn L McGrath3e2ab882001-04-12 13:49:09 +000057 break;
Glenn L McGrathbc9afad2001-02-11 03:32:41 +000058 case 'X':
Glenn L McGrath9aff9032001-06-13 07:26:39 +000059 arg_type = arg_type_prefix;
60 deb_extract_funct |= extract_data_tar_gz;
61 deb_extract_funct |= extract_all_to_fs;
62 deb_extract_funct |= extract_list;
Glenn L McGrathbc9afad2001-02-11 03:32:41 +000063 case 'x':
Glenn L McGrath9aff9032001-06-13 07:26:39 +000064 arg_type = arg_type_prefix;
65 deb_extract_funct |= extract_data_tar_gz;
66 deb_extract_funct |= extract_all_to_fs;
Glenn L McGrathbc9afad2001-02-11 03:32:41 +000067 break;
Glenn L McGrath445fb952001-04-13 04:02:57 +000068 case 'I':
Glenn L McGrath9aff9032001-06-13 07:26:39 +000069 arg_type = arg_type_filename;
70 deb_extract_funct |= extract_control_tar_gz;
71 deb_extract_funct |= extract_one_to_buffer;
Glenn L McGrath58a40852001-01-02 23:49:26 +000072 break;
Glenn L McGrath58a40852001-01-02 23:49:26 +000073 default:
Eric Andersen67991cf2001-02-14 21:23:06 +000074 show_usage();
Glenn L McGrath58a40852001-01-02 23:49:26 +000075 }
76 }
77
Glenn L McGrath6785b512001-04-12 11:48:02 +000078 if (optind == argc) {
Eric Andersen67991cf2001-02-14 21:23:06 +000079 show_usage();
Glenn L McGrath58a40852001-01-02 23:49:26 +000080 }
Glenn L McGrath6785b512001-04-12 11:48:02 +000081
Glenn L McGrath9aff9032001-06-13 07:26:39 +000082 /* Workout where to extract the files */
83 if (arg_type == arg_type_prefix) {
84 /* argument is a dir name */
85 if ((optind + 1) == argc ) {
86 prefix = xstrdup("./DEBIAN/");
87 } else {
88 prefix = (char *) xmalloc(strlen(argv[optind + 1]) + 2);
89 strcpy(prefix, argv[optind + 1]);
90 /* Make sure the directory has a trailing '/' */
91 if (last_char_is(prefix, '/') == NULL) {
92 strcat(prefix, "/");
Glenn L McGrath359c1062001-04-12 10:19:08 +000093 }
Glenn L McGrath9aff9032001-06-13 07:26:39 +000094 }
Glenn L McGrath8f5b63e2001-06-22 09:22:06 +000095 mkdir(prefix, 0777);
Glenn L McGrath58a40852001-01-02 23:49:26 +000096 }
Glenn L McGrath6785b512001-04-12 11:48:02 +000097
Glenn L McGrath9aff9032001-06-13 07:26:39 +000098 if (arg_type == arg_type_filename) {
99 if ((optind + 1) != argc) {
100 filename = xstrdup(argv[optind + 1]);
101 } else {
102 error_msg_and_die("-I currently requires a filename to be specified");
103 }
104 }
Glenn L McGrath33431eb2001-04-16 04:52:19 +0000105
Glenn L McGrath9aff9032001-06-13 07:26:39 +0000106 output_buffer = deb_extract(argv[optind], stdout, deb_extract_funct, prefix, filename);
107
108 if ((arg_type == arg_type_filename) && (output_buffer != NULL)) {
109 puts(output_buffer);
110 }
111 else if (arg_type == arg_type_field) {
Glenn L McGrath33431eb2001-04-16 04:52:19 +0000112 char *field = NULL;
Glenn L McGrathc3fbec72001-07-18 15:47:21 +0000113 char *name;
114 char *value;
Glenn L McGrath33431eb2001-04-16 04:52:19 +0000115 int field_start = 0;
116
Glenn L McGrathc3fbec72001-07-18 15:47:21 +0000117 while (1) {
118 field_start += read_package_field(&output_buffer[field_start], &name, &value);
119 if (name == NULL) {
120 break;
121 }
122 if (strcmp(name, argv[optind + 1]) == 0) {
123 puts(value);
Glenn L McGrath33431eb2001-04-16 04:52:19 +0000124 }
125 free(field);
126 }
127 }
Glenn L McGrath445fb952001-04-13 04:02:57 +0000128
Glenn L McGrath58a40852001-01-02 23:49:26 +0000129 return(EXIT_SUCCESS);
130}